$*f* = Math::BigFloat->new(*string*)

Creates a new object,
`$``f`.

$*f*->fabs( )

Returns absolute value of
`$``f`.

$*f*->fadd(*nstr*)

Returns sum of *nstr* and
`$``f`.

$*f*->fcmp(*nstr*)

Compares `$`*f* to
`nstr`. Returns `-1`,
`0`, or `1` depending on whether
`$``f` is less than, equal
to, or greater than `nstr`, or
`undef` if `nstr` is not a
number.

$*f*->fdiv(*nstr*[,*n*])

Returns `$`*f* divided by
`nstr`` to `*n*places. If *scale* (the number of digits) is
unspecified, division is computed to the number of digits given by:

max($div_scale, length(dividend)+length(divisor))

$*f*->ffround(*n*)

Returns `$`*f *rounded at
`n`th place.

$*f**->fmul*(*nstr*)

Returns `$`*f* multiplied
by `nstr`.

$*f*->fnorm( )

Returns normalization of
`$``f`.

$*f*->fround(*n*)

Returns value of `$`*f*rounded to *n* digits.

$*f*->fsqrt([*n*])

Returns square root of
`$``f` to
`n` places.